| 77.221.32.0/19 | WHOIS (RIPE_NCC) | Microsystem-Kecskemet Kft | HU |
| 77.221.32.0/19 | RIPE_NCC assigned | — | HU |
| 77.221.32.0/20 | BGP route | AS12301 Invitech ICT Services Kft. | — |
| 77.221.32.0/22 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.32.0/22 | WHOIS (RIPE_NCC) | Microsystem-Kecskemet Network | HU |
| 77.221.36.0/22 | WHOIS (RIPE_NCC) | Isis-com Kft. | HU |
| 77.221.40.0/23 | WHOIS (RIPE_NCC) | Isiscom Access network No.2 | HU |
| 77.221.44.0/23 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.44.0/23 | WHOIS (RIPE_NCC) | ZT Network access | HU |
| 77.221.46.0/23 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.46.0/23 | WHOIS (RIPE_NCC) | BoglarNet | HU |
| 77.221.52.0/23 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.52.0/23 | WHOIS (RIPE_NCC) | Microsystem-NET2 | HU |
| 77.221.54.0/23 | BGP route | AS39679 JZT Informatikai Kft. | — |
| 77.221.56.0/23 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.58.0/23 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.58.0/23 | WHOIS (RIPE_NCC) | DunaKTV | HU |
| 77.221.36.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.37.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.38.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.39.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.40.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.41.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.42.0/24 | BGP route | AS200964 Isis-Com Kft. | — |
| 77.221.42.0/24 | WHOIS (RIPE_NCC) | Isiscom Access network No.3 | HU |
| 77.221.43.0/24 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.48.0/24 | BGP route | AS62214 Rackforest Zrt. | — |
| 77.221.48.0/24 | WHOIS (RIPE_NCC) | Internet-Dunaujvaros | HU |
| 77.221.49.0/24 | BGP route | AS39679 JZT Informatikai Kft. | — |
| 77.221.49.0/24 | WHOIS (RIPE_NCC) | JZT-SRV | HU |
| 77.221.50.0/24 | WHOIS (RIPE_NCC) | Isiscom access network | HU |
| 77.221.51.0/24 | BGP route | AS197248 Dravanet Co Ltd. | — |
| 77.221.51.0/24 | WHOIS (RIPE_NCC) | OpenNetworks Access Network | HU |
| 77.221.54.0/24 | BGP route | AS214059 Czimer Kft | — |
| 77.221.55.0/24 | BGP route | AS215366 Gabor Birincsik | — |
| 77.221.55.0/24 | WHOIS (RIPE_NCC) | Birintech_Solutions | HU |
| 77.221.56.0/24 | BGP route | AS215366 Gabor Birincsik | — |
| 77.221.60.0/24 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.60.0/24 | WHOIS (RIPE_NCC) | DunaKTV_Uszod_access_network | HU |
| 77.221.61.0/24 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.62.0/24 | BGP route | AS197889 Microsystem-Kecskemet Kft | — |
| 77.221.63.0/24 | BGP route | AS12301 Invitech ICT Services Kft. | — |
| 77.221.63.0/24 | WHOIS (RIPE_NCC) | KitNet Customer Network | HU |
| 77.221.43.128/25 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.64/26 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.32/27 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.16/28 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.8/29 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.4/30 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.2/31 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |
| 77.221.43.1/32 | WHOIS (RIPE_NCC) | Microsystem Rack space allocation | HU |